(n.) The act of coupling or joining; union; conjunction.
(n.) The coming together of male and female in the act of generation; sexual union; coition.
Example Sentences:
(1) Using allozymes as the genetic probe, data are presented which show that wild Drosophila buzzatii females and males engaged in copulation mate at random.
(2) The inhibition is desappears if placed under copulation conditions during a full cycle.
(3) Circular cuts which surgically isolated the medial basal hypothalamus (MBH) from the remainder of the brain did not prevent copulation 4 to 24 h later, but did block reflex ovulation.
(4) Eight rats of the PCPA group and only two of the vehicle, started to copulate.
(5) Incubation of normal pig lymphocytes in serum samples collected from 10 sows immediately before, and at daily intervals after mating with a vasectomized boar significantly elevated the rosette inhibition titre (RIT) of a standard antilymphocyte serum in 6 animals on the first but not on the 2nd and 3rd day after copulation.
(6) Duration of copulation in mixed combinations of D. athabasca is determined by the male.
(7) In Rhodotorula, peroxisomes are characterized by the same "bean" configuration and paired arrangement imitating "copulation" as mitocondria.
(8) On average, copulation lasted 27.2 s and was completed in flight.
(9) The surface membrane enzyme activity disappears from the zygote shortly after copulation and at the same time lysosome-like bodies start to appear in the cytoplasm.
(10) There was no seasonal fluctuation in copulative activity.
(11) Since courtship song increases a females' receptivity to copulation, the frequency of mating within a short observation period was used as a measure of the ability of mutant females to distinguish between singing males and males that were unable to sing.
(12) Copulations with other adults males also occurred during all cycle phases, but were most frequent peri-ovulatory.
(13) Copulation occurred more often on the occasion of the first attempt by the male.
(14) In the second experiment, intact females copulated twice with a male: once when they were able to hear and once when they were temporarily deafened with a medical ear mold.
(15) The gene products are secreted into the male duct and transferred to the female copulant during copulation.
(16) Pregnant C3H mice were exposed to teratogenic doses of cyclophosphamide (CPA), on the 11th day after copulation.
(17) Thiazide-type diuretics also produce erectile dysfunction in rats and interfere with normal copulation.
(18) Morphine administered rats showed a loss of weight, hypertrophy of the adrenals, decreased weight of accessory sex organs, low sperm count, and decreased copulation rate.
(19) La Crosse virus was detected in the bursa of females after induced copulation, and disseminated infection was shown to occur occasionally.
(20) Mangabeys spend 47% of activity observations feeding, 27% moving, and the remainder of the activity observations is accounted for by grooming, playing, vocalizing, copulating, etc.
Tread
Definition:
(v. i.) To set the foot; to step.
(v. i.) To walk or go; especially, to walk with a stately or a cautious step.
(v. i.) To copulate; said of birds, esp. the males.
(v. t.) To step or walk on.
(v. t.) To beat or press with the feet; as, to tread a path; to tread land when too light; a well-trodden path.
(v. t.) To go through or accomplish by walking, dancing, or the like.
(v. t.) To crush under the foot; to trample in contempt or hatred; to subdue.
(v. t.) To copulate with; to feather; to cover; -- said of the male bird.
(n.) A step or stepping; pressure with the foot; a footstep; as, a nimble tread; a cautious tread.
(n.) Manner or style of stepping; action; gait; as, the horse has a good tread.
(n.) Way; track; path.
(n.) The act of copulation in birds.
(n.) The upper horizontal part of a step, on which the foot is placed.
(n.) The top of the banquette, on which soldiers stand to fire over the parapet.
(n.) The part of a wheel that bears upon the road or rail.
(n.) The part of a rail upon which car wheels bear.
(n.) The chalaza of a bird's egg; the treadle.
(n.) A bruise or abrasion produced on the foot or ankle of a horse that interferes. See Interfere, 3.
Example Sentences:
(1) Will it continue treading water, deciding cases in pretty much the same way as the law lords used to do - although using blunter language?
(2) He has to tread some of the same path as Joe Biden but without the posturing and aggression.
(3) I'm not in the least ambitious, never have been, and I don't tread on people.
(4) Dombey treads proudly towards his doom with the author's unheard warnings ringing in his ears.
(5) Admittedly, there has been a bit of sour grapes in the English response to the success of Dempsey et al, and no doubt we will be treading those grapes into wine and drinking ourselves into oblivion if Team USA get much further – they are, as today's typically excitable NY Daily News front page informs us, now just "four wins from glory" .
(6) Kristen Woolf, girl-centred practice and strategy director, The Girl Hub , London, UK, @girleffect Don't lose focus on girls: Very clearly men and boys have got to be a central component of the solution, but we need to tread carefully here not to lose the focus on equality and empowerment for girls and women.
(7) Incongruous and illusory depth cues, arising from 'interference patterns' produced by overlapping linear grids at the edges of escalator treads, may contribute to the disorientation experienced by some escalator users, which in turn may contribute to the causes of some of the many escalator accidents which occur.
(8) This assignment to Cairo had been relatively routine - an opportunity to get to know Egyptian politics a little better; but with only three weeks on the ground, hardly time to do anything other than tread water.
(9) UK schools are treading water when we know that matching the very best could boost the growth rate by one percentage point every year.
(10) A noninvasive criterion of occlusions of the lower limb arteries was elaborated from the results of transcutaneous measurement of oxygen tension (TmO2) during treading on a treadmill.
(11) 1982) suggested to require DA (head weaving, reciprocal forepaw treading).
(12) But the oxygen saturations on swimming were in all patients higher than after tread-wheel exercise.
(13) The changes at CDC, which is supposed to invest where other investors fear to tread, follow criticism of the organisation for focusing too much on profits and not enough on development.
(14) Now he’s remarried, with a young, new family, and treading the boards on Broadway.
(15) These figures illustrate how millions of people are treading water, struggling to keep afloat and afford the very basics.
(16) It was only when I was criticized for writing science fiction that I realized I was treading on sacred ground."
(17) That line is trickier to tread for working-class comics, into which category Bishop – with a Liverpool accent so rich it's got calories – falls.
(18) We tread a fine line and, because each picture is judged on its merits on the day, it is very difficult to have hard and fast rules.
(19) Where German officials have feared to tread, dramatists have rushed in.
(20) That doesn’t mean no one should ever criticise Israel, for fear of treading on Jewish sensitivities.